Outdoor unit of air conditioner

Abstract

An outdoor unit of an air conditioner includes an axial fan, a motor rotating the axial fan and a motor supporter supporting the motor. The motor supporter includes deflection parts deflecting an air current sucked into the axial fan so as to have a rotating direction component of the axial fan.

What is claimed is: 
     
         1 . An outdoor unit of an air conditioner, the outdoor unit comprising:
 an axial fan;   a motor to rotate the axial fan in a rotating direction; and   a motor supporter supporting the motor,   wherein the motor supporter includes deflection parts deflecting an air current sucked into the axial fan so as to have a rotating direction component of the axial fan.   
     
     
         2 . The outdoor unit according to  claim 1 , wherein the deflection parts include a deflection surface arranged at a designated angle from an axial direction of the axial fan to guide the air current. 
     
     
         3 . The outdoor unit according to  claim 2 , wherein the angle is an acute angle. 
     
     
         4 . The outdoor unit according to  claim 2 , wherein the deflection parts include an air current contact surface contacting the air current, the air current contact surface being arranged convex toward an upstream side of the air current,
 wherein the air current contact surface includes:
 a forward facing surface facing the rotating direction of the axial fan; and 
 a backward facing surface facing a direction opposite to the rotating direction of the axial fan, and 
 wherein the deflection surface is provided on the forward facing surface. 
   
     
     
         5 . The outdoor unit according to  claim 4 , wherein the deflection surface extends so as to be gradually closer to a rotating axis of the axial fan in the direction of the rotating axis of the axial fan. 
     
     
         6 . The outdoor unit according to  claim 1 , wherein the deflection parts include at least one deflection part provided above a rotating axis of the motor and at least one deflection part provided below the rotating axis of the motor, and
 wherein the at least one deflection part provided above the rotating axis of the motor and the at least one deflection part provided below the rotating axis of the motor deflect the air current in opposite directions.   
     
     
         7 . The outdoor unit according to  claim 1 , wherein a vector proceeding from a leading edge of the deflection part, which the air current starts to contact, to a trailing edge of the deflection part, from which the air current is separated, has the rotating direction component of the axial fan. 
     
     
         8 . The outdoor unit according to  claim 7 , wherein the leading edge and the trailing edge are located on a streamlined closed path. 
     
     
         9 . The outdoor unit according to  claim 8 , wherein, among a suction surface and a pressure surface of the deflection part interconnecting the leading edge and the trailing edge, the pressure surface faces with the rotating direction of the axial fan, and static pressure on the suction surface is lower than static pressure on the pressure surface. 
     
     
         10 . The outdoor unit according to  claim 1 , wherein the motor supporter includes:
 a mount part to which the motor is mounted; and   support legs extending from the mount part,   wherein the deflection parts are provided on the support legs.   
     
     
         11 . The outdoor unit according to  claim 10 , wherein the support legs are separated from each other by a space through which the air current is sucked, and
 wherein one of the support legs has a deflection surface gradually becoming closer to a rotating axis of the axial fan in the direction of the rotating axis of the axial fan and provided at a part defining the space.   
     
     
         12 . The outdoor unit according to  claim 10 , wherein the deflection parts include a deflection surface arranged at a designated angle from the axial direction of the axial fan to guide the air current,
 wherein the support legs include:
 upper support legs extending upward from the mount part; and 
 lower support legs extending downward from the mount part, and 
   wherein a deflection surface provided on one of the upper support legs and a deflection surface provided on one of the lower support legs face opposite directions based on a fixed coordinate system.   
     
     
         13 . The outdoor unit according to  claim 12 , wherein the air current passes through spaces between the support legs. 
     
     
         14 . The outdoor unit according to  claim 10 , wherein a vector from a leading edge of the deflection part, which the air current starts to contact, to a trailing edge of the deflection part, from which the air current is separated, has the rotating direction component of the axial fan,
 wherein the support legs include:
 upper support legs extending upward from the mount part; and 
 lower support legs extending downward from the mount part, and 
   wherein a first vector proceeding from the leading edge to the trailing edge of one of the upper support legs and a second vector proceeding from the leading edge to the trailing edge of one of the lower support legs have direction components of different signs based on a fixed coordinate system.   
     
     
         15 . The outdoor unit according to  claim 1 , wherein the motor supporter includes:
 a mount part to which the motor is mounted;   upper support legs extending upward from the mount part; and   lower support legs extending downward from the mount part,   wherein the upper support legs and the lower support legs include the deflection parts, and   wherein the upper support legs and the lower support legs deflect the air current in opposite directions.   
     
     
         16 . An outdoor unit of an air conditioner, the outdoor unit comprising:
 a housing;   an axial fan for producing an air current within the housing, the axial fan including:
 a fan blade; and 
 a motor to rotate the fan blade in a rotation direction; and 
   a motor supporter supporting the motor, the motor supporter including:
 a mount part to which the motor is mounted; 
 an upper support leg extending upward from the mount part; and 
 a lower support leg extending downward from the mount part, 
   wherein the upper support leg includes an upper deflection part configured to deflect a first portion of the air current in a first direction,   wherein the lower support leg includes a lower deflection part configured to deflect a second portion of the air current in a second direction opposite to the first direction, and   wherein the first direction and the second direction extend in a same direction as the rotation direction of the fan blade.   
     
     
         17 . The outdoor unit according to  claim 16 , wherein the upper deflection part and the lower deflection part each include a deflection surface arranged at an acute angle with respect to an axial direction of the axial fan to guide the air current. 
     
     
         18 . The outdoor unit according to  claim 17 , wherein the upper deflection part and the lower deflection part each include an air current contact surface contacting the air current, the air current contact surface protruding toward an upstream side of the air current. 
     
     
         19 . The outdoor unit according to  claim 18 , wherein the air current contact surface includes:
 a forward facing surface facing the rotation direction of the fan blade; and   a backward facing surface facing a direction opposite to the rotation direction of the fan blade, and   wherein the deflection surface is provided on the forward facing surface.   
     
     
         20 . An axial fan assembly comprising:
 a fan blade for producing an air current;   a motor to rotate the fan blade in a rotation direction; and   a motor supporter supporting the motor, the motor supporter including:
 a mount part to which the motor is mounted; 
 an upper support leg extending upward from the mount part, the upper support leg including an upper deflection part configured to deflect a first part of the air current in a first direction; and 
 a lower support leg extending downward from the mount part, the lower support leg including a lower deflection part configured to deflect a second part of the air current in a second direction opposite to the first direction, 
 wherein the first direction and the second direction extend in a same direction as the rotation direction of the fan blade.